| 1 | /* hp2100_fp.h: HP 2100/21MX floating point definitions\r |
| 2 | \r |
| 3 | Copyright (c) 2002-2006, Robert M. Supnik\r |
| 4 | \r |
| 5 | Permission is hereby granted, free of charge, to any person obtaining a\r |
| 6 | copy of this software and associated documentation files (the "Software"),\r |
| 7 | to deal in the Software without restriction, including without limitation\r |
| 8 | the rights to use, copy, modify, merge, publish, distribute, sublicense,\r |
| 9 | and/or sell copies of the Software, and to permit persons to whom the\r |
| 10 | Software is furnished to do so, subject to the following conditions:\r |
| 11 | \r |
| 12 | The above copyright notice and this permission notice shall be included in\r |
| 13 | all copies or substantial portions of the Software.\r |
| 14 | \r |
| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r |
| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r |
| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL\r |
| 18 | ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r |
| 19 | IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r |
| 20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r |
| 21 | \r |
| 22 | Except as contained in this notice, the name of Robert M Supnik shall not be\r |
| 23 | used in advertising or otherwise to promote the sale, use or other dealings\r |
| 24 | in this Software without prior written authorization from Robert M Supnik.\r |
| 25 | \r |
| 26 | 01-Dec-06 JDB Reworked FFP helpers for 1000-F support, deleted f_pwr2\r |
| 27 | 26-Sep-06 JDB Moved from hp2100_fp.c to simplify extensions\r |
| 28 | */\r |
| 29 | \r |
| 30 | #ifndef _HP2100_FP_H_\r |
| 31 | #define _HP2100_FP_H_\r |
| 32 | \r |
| 33 | /* Firmware floating-point routines */\r |
| 34 | \r |
| 35 | uint32 f_as (uint32 op, t_bool sub); /* FAD/FSB */\r |
| 36 | uint32 f_mul (uint32 op); /* FMP */\r |
| 37 | uint32 f_div (uint32 op); /* FDV */\r |
| 38 | uint32 f_fix (void); /* FIX */\r |
| 39 | uint32 f_flt (void); /* FLT */\r |
| 40 | \r |
| 41 | /* Firmware FFP helpers */\r |
| 42 | \r |
| 43 | uint32 fp_pack (OP *result, OP mantissa, int32 exponent, OPSIZE precision);\r |
| 44 | uint32 fp_nrpack (OP *result, OP mantissa, int32 exponent, OPSIZE precision);\r |
| 45 | uint32 fp_unpack (OP *mantissa, int32 *exponent, OP packed, OPSIZE precision);\r |
| 46 | \r |
| 47 | #endif\r |